Multi-functional hydraulic grip

Details Multi-functional hydraulic grip Multi-functional hydraulic grip

1995-11-01

1996-12-03

Williams, Hezron E.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specimen clamp, holder, or support

73833, 73856, G01N 304

Patent

active

055810403

ABSTRACT:
A hydraulic grip suitable for use in both tensile and compressive loading of a specimen comprises generally a main body and an outer housing to form a pair of annular chamber thereinbetween. Hydraulic fluid under pressure alternately introduced into the chambers forces the outer housing to move up or downward relative to longitudinal axis of the main body. A cooling circulation may be established between the grip and a compressor so that the testing can be performed in high temperature. This grip also facilitates a rapid replacement of different grip jaws.

REFERENCES:
patent: 3335603 (1967-08-01), Gram
patent: 4537080 (1985-08-01), Christiansen
patent: 4721000 (1988-01-01), Scanlon
patent: 5095757 (1992-03-01), Larsen et al.

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